Concepcion del Oro, Mun. de Concepcion del Oro, Zacatecas, Mexico
Bright brassy pyritohedrons of Pyrite to 15 mm, with well-developed striations, are accented with white, fine crystals of Calcite. In fine condition, this aesthetic specimen is in great condition, and dates to about the mid 1960s, when this collection was assembled.
ex. Paul Edwards collection